Add contrast() function to check contrast ratio for two colors #7944
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davepagurek
reviewed
Jun 29, 2025
| @@ -25,7 +26,7 @@ import { | |||
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| OKLab, | |||
| OKLCH as OKLCHSpace, | |||
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| contrast, | |||
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cool, TIL colorjs has this built in!
| * // Test for contrast | ||
| * let result = color1.contrast(color2) | ||
| * | ||
| * console.log(result) |
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On the p5.js reference, this will require users to open the console to see the result. Do you think we could show the result on the screen with something like text()?
| * Checks if two colors contrast ratio is WCAG 2.1 compliant and returns the ratio | ||
| * | ||
| * @param {Color} other | ||
| * @returns {{ ratio: Number, passes: boolean }} |
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Do you know if passes is using AA or AAA or something else?
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Resolves #6971
Changes:
Added a new contrast function that checks the color contrast ratio for two colors
This function allows users to see if their colors align with WCAG21 accessibility standards. There are supplementary double AA and triple AAA constants for provided as well.
PR Checklist
npm run lintpasses